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authorLinus Torvalds <torvalds@linux-foundation.org>2022-03-24 16:19:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-24 16:19:43 -0700
commitb14ffae378aa1db993e62b01392e70d1e585fb23 (patch)
tree0ac179d24e8a62ec4c2732ed18d90d83da4b82d7 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
parentMerge branch 'akpm' (patches from Andrew) (diff)
parentMerge tag 'amd-drm-next-5.18-2022-03-18' of https://gitlab.freedesktop.org/ag... (diff)
downloadlinux-b14ffae378aa1db993e62b01392e70d1e585fb23.tar.gz
linux-b14ffae378aa1db993e62b01392e70d1e585fb23.zip
Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "Lots of work all over, Intel improving DG2 support, amdkfd CRIU support, msm new hw support, and faster fbdev support. dma-buf: - rename dma-buf-map to iosys-map core: - move buddy allocator to core - add pci/platform init macros - improve EDID parser deep color handling - EDID timing type 7 support - add GPD Win Max quirk - add yes/no helpers to string_helpers - flatten syncobj chains - add nomodeset support to lots of drivers - improve fb-helper clipping support - add default property value interface fbdev: - improve fbdev ops speed ttm: - add a backpointer from ttm bo->ttm resource dp: - move displayport headers - add a dp helper module bridge: - anx7625 atomic support, HDCP support panel: - split out panel-lvds and lvds bindings - find panels in OF subnodes privacy: - add chromeos privacy screen support fb: - hot unplug fw fb on forced removal simpledrm: - request region instead of marking ioresource busy - add panel oreintation property udmabuf: - fix oops with 0 pages amdgpu: - power management code cleanup - Enable freesync video mode by default - RAS code cleanup - Improve VRAM access for debug using SDMA - SR-IOV rework special register access and fixes - profiling power state request ioctl - expose IP discovery via sysfs - Cyan skillfish updates - GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates - expose benchmark tests via debugfs - add module param to disable XGMI for testing - GPU reset debugfs register dumping support amdkfd: - CRIU support - SDMA queue fixes radeon: - UVD suspend fix - iMac backlight fix i915: - minimal parallel submission for execlists - DG2-G12 subplatform added - DG2 programming workarounds - DG2 accelerated migration support - flat CCS and CCS engine support for XeHP - initial small BAR support - drop fake LMEM support - ADL-N PCH support - bigjoiner updates - introduce VMA resources and async unbinding - register definitions cleanups - multi-FBC refactoring - DG1 OPROM over SPI support - ADL-N platform enabling - opregion mailbox #5 support - DP MST ESI improvements - drm device based logging - async flip optimisation for DG2 - CPU arch abstraction fixes - improve GuC ADS init to work on aarch64 - tweak TTM LRU priority hint - GuC 69.0.3 support - remove short term execbuf pins nouveau: - higher DP/eDP bitrates - backlight fixes msm: - dpu + dp support for sc8180x - dp support for sm8350 - dpu + dsi support for qcm2290 - 10nm dsi phy tuning support - bridge support for dp encoder - gpu support for additional 7c3 SKUs ingenic: - HDMI support for JZ4780 - aux channel EDID support ast: - AST2600 support - add wide screen support - create DP/DVI connectors omapdrm: - fix implicit dma_buf fencing vc4: - add CSC + full range support - better display firmware handoff panfrost: - add initial dual-core GPU support stm: - new revision support - fb handover support mediatek: - transfer display binding document to yaml format. - add mt8195 display device binding. - allow commands to be sent during video mode. - add wait_for_event for crtc disable by cmdq. tegra: - YUV format support rcar-du: - LVDS support for M3-W+ (R8A77961) exynos: - BGR pixel format for FIMD device" * tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm: (1529 commits) drm/i915/display: Do not re-enable PSR after it was marked as not reliable drm/i915/display: Fix HPD short pulse handling for eDP drm/amdgpu: Use drm_mode_copy() drm/radeon: Use drm_mode_copy() drm/amdgpu: Use ternary operator in `vcn_v1_0_start()` drm/amdgpu: Remove pointless on stack mode copies drm/amd/pm: fix indenting in __smu_cmn_reg_print_error() drm/amdgpu/dc: fix typos in comments drm/amdgpu: fix typos in comments drm/amd/pm: fix typos in comments drm/amdgpu: Add stolen reserved memory for MI25 SRIOV. drm/amdgpu: Merge get_reserved_allocation to get_vbios_allocations. drm/amdkfd: evict svm bo worker handle error drm/amdgpu/vcn: fix vcn ring test failure in igt reload test drm/amdgpu: only allow secure submission on rings which support that drm/amdgpu: fixed the warnings reported by kernel test robot drm/amd/display: 3.2.177 drm/amd/display: [FW Promotion] Release 0.0.108.0 drm/amd/display: Add save/restore PANEL_PWRSEQ_REF_DIV2 drm/amd/display: Wait for hubp read line for Pollock ...
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c64
1 files changed, 7 insertions, 57 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
index c510638b4f99..0c923a90615c 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
@@ -28,49 +28,6 @@
#include "dm_helpers.h"
#include "amdgpu_dm.h"
-static bool link_get_psr_caps(struct dc_link *link)
-{
- uint8_t psr_dpcd_data[EDP_PSR_RECEIVER_CAP_SIZE];
- uint8_t edp_rev_dpcd_data;
-
-
-
- if (!dm_helpers_dp_read_dpcd(NULL, link, DP_PSR_SUPPORT,
- psr_dpcd_data, sizeof(psr_dpcd_data)))
- return false;
-
- if (!dm_helpers_dp_read_dpcd(NULL, link, DP_EDP_DPCD_REV,
- &edp_rev_dpcd_data, sizeof(edp_rev_dpcd_data)))
- return false;
-
- link->dpcd_caps.psr_caps.psr_version = psr_dpcd_data[0];
- link->dpcd_caps.psr_caps.edp_revision = edp_rev_dpcd_data;
-
-#ifdef CONFIG_DRM_AMD_DC_DCN
- if (link->dpcd_caps.psr_caps.psr_version > 0x1) {
- uint8_t alpm_dpcd_data;
- uint8_t su_granularity_dpcd_data;
-
- if (!dm_helpers_dp_read_dpcd(NULL, link, DP_RECEIVER_ALPM_CAP,
- &alpm_dpcd_data, sizeof(alpm_dpcd_data)))
- return false;
-
- if (!dm_helpers_dp_read_dpcd(NULL, link, DP_PSR2_SU_Y_GRANULARITY,
- &su_granularity_dpcd_data, sizeof(su_granularity_dpcd_data)))
- return false;
-
- link->dpcd_caps.psr_caps.y_coordinate_required = psr_dpcd_data[1] & DP_PSR2_SU_Y_COORDINATE_REQUIRED;
- link->dpcd_caps.psr_caps.su_granularity_required = psr_dpcd_data[1] & DP_PSR2_SU_GRANULARITY_REQUIRED;
-
- link->dpcd_caps.psr_caps.alpm_cap = alpm_dpcd_data & DP_ALPM_CAP;
- link->dpcd_caps.psr_caps.standby_support = alpm_dpcd_data & (1 << 1);
-
- link->dpcd_caps.psr_caps.su_y_granularity = su_granularity_dpcd_data;
- }
-#endif
- return true;
-}
-
#ifdef CONFIG_DRM_AMD_DC_DCN
static bool link_supports_psrsu(struct dc_link *link)
{
@@ -82,12 +39,12 @@ static bool link_supports_psrsu(struct dc_link *link)
if (dc->ctx->dce_version < DCN_VERSION_3_1)
return false;
- if (!link->dpcd_caps.psr_caps.alpm_cap ||
- !link->dpcd_caps.psr_caps.y_coordinate_required)
+ if (!link->dpcd_caps.alpm_caps.bits.AUX_WAKE_ALPM_CAP ||
+ !link->dpcd_caps.psr_info.psr_dpcd_caps.bits.Y_COORDINATE_REQUIRED)
return false;
- if (link->dpcd_caps.psr_caps.su_granularity_required &&
- !link->dpcd_caps.psr_caps.su_y_granularity)
+ if (link->dpcd_caps.psr_info.psr_dpcd_caps.bits.SU_GRANULARITY_REQUIRED &&
+ !link->dpcd_caps.psr_info.psr2_su_y_granularity_cap)
return false;
return true;
@@ -107,12 +64,7 @@ void amdgpu_dm_set_psr_caps(struct dc_link *link)
if (link->type == dc_connection_none)
return;
- if (!link_get_psr_caps(link)) {
- DRM_ERROR("amdgpu: Failed to read PSR Caps!\n");
- return;
- }
-
- if (link->dpcd_caps.psr_caps.psr_version == 0) {
+ if (link->dpcd_caps.psr_info.psr_version == 0) {
link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
link->psr_settings.psr_feature_enabled = false;
@@ -149,10 +101,8 @@ bool amdgpu_dm_link_setup_psr(struct dc_stream_state *stream)
link = stream->link;
- psr_config.psr_version = link->dpcd_caps.psr_caps.psr_version;
-
- if (psr_config.psr_version > 0) {
- psr_config.psr_exit_link_training_required = 0x1;
+ if (link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED) {
+ psr_config.psr_version = link->psr_settings.psr_version;
psr_config.psr_frame_capture_indication_req = 0;
psr_config.psr_rfb_setup_time = 0x37;
psr_config.psr_sdp_transmit_line_num_deadline = 0x20;